YouTube Would Like to Test the Hypothesis That the Average

question 135

Multiple Choice

YouTube would like to test the hypothesis that the average length of an online video watched by a user is more than 8 minutes. A random sample of 37 people watched online videos that averaged 8.7 minutes in length. It is believed that the population standard deviation for the length of online videos is 2.5 minutes. YouTube would like to set α = 0.02. The conclusion for this hypothesis test would be that because the test statistic is
-------
.

• A)more than the critical value, we can conclude that the average length of an online video is
• B)less than the critical value, we can conclude that the average length of an online video is more than 8 minutes
• C)less than the critical value, we can conclude that the average length of an online video is not more than 8 minutes
• D)more than the critical value, we can conclude that the average length of an online video is not more than 8 minutes

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Definitions:

Actionable Behavior

Conduct that gives sufficient legal ground for a lawsuit, identifying behaviors that can lead to legal action.

False Imprisonment

The unjustified detention or confinement of a person without legal authority or their consent.

Slander and Libel

Defamation in two forms: slander, which is spoken defamation, and libel, which is defamation in a fixed medium such as writing or broadcasting.

Indecency

Conduct deemed inappropriate or offensive in a public context, often relating to nudity, sexuality, or impropriety.